Correct Answer: B

Rationale: The healthcare professional should monitor the client for ototoxicity when receiving carboplatin. Ototoxicity is a known serious adverse effect associated with this medication, characterized by damage to the inner ear structures leading to hearing loss or balance issues. Monitoring for hearing changes and balance problems is crucial to detect ototoxicity early and prevent further complications.

Correct Answer: C

Rationale: In the scenario described, the client is exhibiting signs of fluid overload, which can occur during blood transfusion. Furosemide, a loop diuretic, is commonly prescribed in such situations to help relieve manifestations of circulatory overload by promoting diuresis and reducing fluid volume. Therefore, the correct choice is C - Furosemide.

Correct Answer: C

Rationale: It is crucial to withhold all opioids, including Morphine, if the client's respiratory rate is 12/min or less, and promptly inform the healthcare provider. Respiratory depression is a significant adverse effect of opioids, and administering them when the respiratory rate is already compromised can further suppress breathing, leading to potentially life-threatening complications.

Correct Answer: A

Rationale: Metformin should be taken with meals to reduce gastrointestinal side effects and ensure better absorption. By taking the medication with the first bite of food, the client can help minimize potential stomach upset and improve the drug's effectiveness.

Correct Answer: B

Rationale: When administering enoxaparin, it is essential to insert the needle completely into the client's tissue to ensure a deep subcutaneous injection. This method helps in the appropriate delivery of the medication.